The what-ifs crush you- parents suffer as Wimbledon school crash investigation makes slow progress

Families of two girls killed when a Land Rover ploughed into their school are still waiting for answers, 10 months later The question what if? plagues Smera Chohan and her husband, Sajjad Butt. Last July, Chohan had just posed for a photograph with their eight-year-old daughter, Nuria, at her school picnic in Wimbledon when a Land Rover crashed through a fence and ploughed into them. Nuria Sajjad and her friend Selena Lau